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Logo: Institute of Microelectronic Systems
Logo Leibniz Universität Hannover
Logo: Institute of Microelectronic Systems
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Projects of Dr.-Ing. Markus Olbrich

Analog/Mixed-Signal-Design

New Simulation Methods for Accelerated Mixed-Signal Simulation

Bild zum Projekt Neue Simulationsmethoden zur beschleunigten Mixed-Signal-Simulation

Supervisor:

Prof. Dr.-Ing. Erich Barke

Researcher:

Dipl.-Ing. Sara Divanbeigi

Duration:

March 2014 - February 2017

Funded by:

Deutsche Forschungsgemeinschaft (DFG): BA 812/24-1

Brief description:

This research project is based on an approach for the automated model generation for accelerated mixed-signal simulation of analog circuit models and the associated simulation methodology for a transient analysis. Studies have shown good results, which make a significant acceleration in the simulation of mixed analog/digital-systems.Up to now, the current approach is limited to piecewise-constant input stimuli. One of the fundamental goals of this project is an extension of the novel simulation methodology that enables additional input signal types.

 

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Solving methods for semi-symbolic analog simulation

Bild zum Projekt Lösungsverfahren für semi-symbolische Analog-Simulationen

Supervisor:

Prof. Dr.-Ing. Erich Barke

Researcher:

Dipl.-Ing. Oliver Scharf

Duration:

January 2012 - May 2015

Brief description:

Parameters of analog circuits are not exactly known as they are influenced by fabrication, aging or environment temperature. At the Institute of Microelectronic Systems an analog circuit simulator was developed which use affine arithmetic to simulate these parameter deviations. This project aims at increasing the convergence area by using parameter splitting.

 

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ROBUST

Bild zum Projekt ROBUST

Supervisor:

Prof. Dr.-Ing. Erich Barke

Researcher:

Dipl.-Ing. Michael Kaergel

Duration:

Mai 2009 - April 2012

Funded by:

BMBF

Brief description:

ROBUST researches new methods and procedures for designing robust nanoelectronic systems. The project defines quantitative measures of robustness. These metrics are determined by abstracting models of robustness and by applying new analysis methods suitable for the system level.

 

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Reliable Behavioural Modelling

Bild zum Projekt Verlässliche Modellierung

Supervisor:

Prof. Dr.-Ing. Erich Barke

Researcher:

Dipl.-Ing. Anna Krause

Brief description:

This project aims at generating behavioural models which include parameter variations of the original circuit. Parameter variations are represented by affine arithmetic.

 

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ANCONA: Analog Mixed-Level Modeling with Accelerated Mixed-Signal Simulation to Increase Analog Coverage

Bild zum Projekt ANCONA: Analoge Mixed-Level-Modellierung mit beschleunigter Mixed-Signal-Simulation zur Erhöhung der Analog-Coverage

Supervisor:

Dr.-Ing. Markus Olbrich

Researcher:

Dipl.-Ing. Lukas Lee

Duration:

Juli 2014 - Juni 2017

Funded by:

BMBF

Brief description:

The IMS develops method and measures for the analysis of analog verification coverage. The goal is to evaluate and to increase the verification coverage of analog and mixed-signal circuits.

 

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Physical Design

Parallelisierung von Routingalgorithmen

 

Supervisor:

Dr.-Ing. Markus Olbrich

Researcher:

Dipl.-Math. Björn Bredthauer

Brief description:

Werkzeuge zur Erzeugung der Verdrahtung für einen gegebenen Chip haben aufgrund der Komplexität dieses Problems sehr hohe Laufzeiten. Ziel dieses Forschungsprojektes ist die Beschleunigung dieses Vorgangs durch die Ausnutzung hochparalleler Architekturen, insbesondere Graphical Processing Units. Zu diesem Zweck sollen Algorithmen und Datenstrukturen gefunden werden, die eine effiziente Aufteilung des Problems auf eine große Anzahl an Recheneinheiten erlauben.

 

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NEEDS

Bild zum Projekt NEEDS

Supervisor:

Dr.-Ing. Markus Olbrich

Researcher:

M. Sc. Artur Quiring

Duration:

2010 - 2013

Funded by:

The project NEEDS is funded by the Bundesministerium für Bildung und Forschung (BMBF).

Brief description:

Highly integrated electronic systems with heterogeneous components enable reduction of resources and cost. To further benefit from the potential of electronic systems, NEEDS has the goal to advance the research in designing a new class of electronic systems, where several dies are stacked above each other (three-dimensional integrated circuits).

 

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3D-Floorplanning

Bild zum Projekt 3D-Floorplanning

Supervisor:

Markus Olbrich

Researcher:

M. Sc. Artur Quiring

Brief description:

The main goal of this research project is to find appropriate optimization algorithms and datastructures for 3D-Floorplanning. Furthermore, new relevant optimization goals should be identified and analysed.

 

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RESCAR 2.0

Bild zum Projekt RESCAR 2.0

Supervisor:

Prof. Dr.-Ing. Erich Barke

Researcher:

M.Sc. Carolin Katzschke

Duration:

February 2011 - April 2014

Funded by:

BMBF

Brief description:

The IMS is subcontractor of the Infineon AG and will develop methods to manage domain-overlapping constraints.

 

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Reconfigurable Architectures

Circuit Design and Physical Design for a Novel FPGA Architecture

Bild zum Projekt Schaltungsentwurf und physikalisches Design für eine neuartige FPGA-Architektur

Supervisor:

Prof. Dr.-Ing. H. Blume, Jun.-Prof. Dr.-Ing. G. Payá-Vayá

Researcher:

B. Bredthauer, C. Spindeldreier

Duration:

May 2013 - June 2014

Funded by:

Federal Ministry of Education and Reserach

Brief description:

Evaluation and analysis of the implemtability and performance of a new type of field programmable gate array (FPGA).

 

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